History Formation and Ahn–Kim leadership (March–July 2014) 2.4.1 Reunification of North and South Korea.1.8 Under Song Young-gil (May 2021–present).1.5 Under Lee Hae-chan (August 2018–August 2020).1.3 Under Kim Chong-in (January–August 2016).1.1 Formation and Ahn–Kim leadership (March–July 2014).